Maria (Naomi Watts), Henry (Ewan McGregor) and their three sons begin their winter vacation in Thailand, looking forward to a few days in tropical paradise. But on the morning of December 26th, as the family relaxes around the pool after their Christmas festivities the night before, a terrifying roar rises up from the center of the earth. As Maria freezes in fear, a huge wall of black water races across the hotel grounds toward her.
More infoFind and discover more on Movie Insider and across the web.